Arnar Thór Stefánsson has officiated 82 matches on record, averaging 4.3 cards and 9.1 fouls per game — a firm official. A player is dismissed roughly once every 5 games, and the spot is pointed to 0.27 times per match. Home teams win 48% of matches under him, drawing 18% and losing 34%. Most active in the Inkasso-Deildin (45 matches). 33% of his bookings come after the 75th minute, with the first card around the 35'.